The term "geminate" is often used to describe words or consonants that are pronounced twice consecutively. However, when we talk about antonyms for geminate, we refer to words that mean the opposite or do not share any similarity with it. The opposite of geminate is, therefore, "ungeminate," which means a single or unpaired consonant. Other antonyms for geminate might include "different," "unique," or "distinct," as these terms describe something that is not repetitive or duplicated. In summary, antonyms for geminate evoke ideas of individuality, contrast, or differentiation, which are contrary to the concept of repetition or duplication.